1385039 has 2 divisors, whose sum is σ = 1385040. Its totient is φ = 1385038.

The previous prime is 1385023. The next prime is 1385051. The reversal of 1385039 is 9305831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1385039 - 2⁴ = 1385023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1385009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692519 + 692520.

It is an arithmetic number, because the mean of its divisors is an integer number (692520).

2^1385039 is an apocalyptic number.

1385039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385039 is an equidigital number, since it uses as much as digits as its factorization.

1385039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1385039 is about 1176.8767989896. The cubic root of 1385039 is about 111.4689732489.

The spelling of 1385039 in words is "one million, three hundred eighty-five thousand, thirty-nine".